| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | think i [modal v] [vb infin] | 2589 |
|
| 2 | think [pron] must [vb infin] | 295 |
|
| 3 | [verb] i must [vb infin] | 247 |
|
| 4 | think i must [verb] | 72 |
|
